Patent US5018500A successfully refreshed from Google Patents.
US2482142A
Expired / Lapsed
US
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Structural material of compressed resin impregnated paper sheets
Assignee: Individual
•
Filing: 1943-10-02
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Granted: 1949-09-20
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Expires: 1963-10-02
Abstract
No abstract record available.
Inventors
- 👤 Gardner H Chidester
- 👤 Parker K Baird
- 👤 George E Mackin
- 👤 Forrest A Simmonds
- 👤 Clarence O Seborg
- 👤 Mark W Bray
- 👤 John N Mcgovern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:42
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249986; Y10T428/249994; Y10T428/249998; Y10T428/31504; Y10T428/31844
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |